title: Microspectrophotometry of visual pigments and oil droplets in a marine bird, the wedge-tailed shearwater Puffinus pacificus: topographic variations in photoreceptor spectral characteristics.
mesh_terms: D000818:Animals; D001717:Birds / Q000502:physiology*; D009821:Oils / Q000737:chemistry*; D020419:Photoreceptor Cells, Vertebrate / Q000737:chemistry* / Q000502:physiology; D012168:Retinal Pigments / Q000737:chemistry*; D013053:Spectrophotometry
chemical_list: D009821:Oils; D012168:Retinal Pigments